CN204320458U - A kind of coarse slime interference bed separator Pre-sorting device - Google Patents
A kind of coarse slime interference bed separator Pre-sorting device Download PDFInfo
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- CN204320458U CN204320458U CN201420766477.6U CN201420766477U CN204320458U CN 204320458 U CN204320458 U CN 204320458U CN 201420766477 U CN201420766477 U CN 201420766477U CN 204320458 U CN204320458 U CN 204320458U
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- coarse slime
- bed separator
- interference bed
- sorting
- eddy flow
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Abstract
The utility model discloses a kind of coarse slime interference bed separator Pre-sorting device, comprise eddy flow and enter charging basket and at least four sorting grooves; Described eddy flow enters the central upper portion position that charging basket is arranged on described coarse slime interference bed separator, and top is fixed to described coarse slime interference bed separator top, and bottom is connected with one end of each described sorting groove; Described sorting groove is uniformly distributed on the radial section of described coarse slime interference bed separator; Each described sorting groove is all arranged along the radial direction of described coarse slime interference bed separator, and the other end is fixed to described coarse slime interference bed separator sidewall, and base plate is porous plate; The sidewall that described eddy flow enters charging basket is also tangentially connected with a feeding pipe; Described eddy flow enters charging basket and is positioned at described feeding pipe so that the sidewall of upper part to be provided with multiple discharge opening; The utility model structure is simple, and without running gear, stability is high, good separation effect, can increase substantially the separation performance of separator.
Description
Technical field
The utility model relates to screening installation field, colliery, refers to a kind of coarse slime interference bed separator Pre-sorting device especially.
Background technology
Due to the change of coal mining geological conditions and the raising of mining mechanization degree, in China's raw coal, 1.5-0.25mm coarse slime content increases.In separation of coarse slime field, hindered bed separator is lower with its separating density, and technique is simple, and compact conformation, the advantages such as operating cost is low, come into one's own gradually.The grading principle of hindered bed separator is: pan feeding is subject to the effect of ascending current in separator, forms hindered falling, and the coal grain that sinking speed is less than water velocity floats, and becomes cleaned coal, and the coal grain that sinking speed is greater than water velocity sinks, and becomes tail coal.Coarse slime is not separated based on the fluid density of interference bed in interference bed, but is separated based on hindered falling speed, and this causes disturbing the sorting particle size range of bed narrower, is generally 1.5-0.25mm.If particle size range is excessive, the easy mispairing of the coarse granule that density is little is in tail coal, or the large easy mispairing of fine grained of density is in cleaned coal.Due to the limitation of grading principle aspect, the sharpness of separation of hindered bed separator commute coal separation is higher, and to medium optional and difficult separation coal sharpness of separation is lower.The separating behavior of coarse slime is more responsive to water velocity, and in production process, simple dependence regulates the water velocity of hindered bed separator to be difficult to the efficient separation realizing coarse slime.
Utility model content
In view of this, it is high that the purpose of this utility model is to propose a kind of separation performance, and structure is simple, the coarse slime interference bed separator Pre-sorting device of good stability.
Based on the one coarse slime interference bed separator Pre-sorting device that above-mentioned purpose the utility model provides, comprise eddy flow and enter charging basket and at least four sorting grooves; Described eddy flow enters the central upper portion position that charging basket is arranged on described coarse slime interference bed separator, and top is fixed to described coarse slime interference bed separator top, and bottom is connected with one end of each described sorting groove; Described sorting groove is uniformly distributed in the radial section of described coarse slime interference bed separator; Each described sorting groove is all arranged along the radial direction of described coarse slime interference bed separator, and the other end is fixed to described coarse slime interference bed separator sidewall, and base plate is porous plate; The sidewall that described eddy flow enters charging basket is also tangentially connected with a feeding pipe; Described eddy flow enters charging basket and is positioned at described feeding pipe so that the sidewall of upper part to be provided with multiple discharge opening.
Preferably, the diameter of described discharge opening is 10-20mm.
Preferably, the base plate opening diameter of described sorting groove is 5-15mm, and percent opening is 30%-40%.
Preferably, the cross sectional shape of described sorting groove is rectangle or semicircle.
Preferably, described eddy flow is entered charging basket top and is fixedly connected with described coarse slime interference bed separator top by I-steel.
As can be seen from above, the coarse slime interference bed separator Pre-sorting device that the utility model provides, by coarse slime first through entering two sections of sortings of the eddy flow centrifugal force field of charging basket and the concentrated phase bed of sorting groove, a part of cleaned coal can be discharged in advance, the coarse granule cleaned coal that particularly density is little, so significantly reduce the particle size differences of coarse slime in sorting groove underflow, provide advantage for remaining coarse slime carries out Density Separation in separator.Its structure is simple, and without running gear, stability is high, good separation effect, can increase substantially the separation performance of separator.
Accompanying drawing explanation
Fig. 1 is the coarse slime interference bed separator Pre-sorting apparatus structure schematic diagram of the utility model embodiment;
Fig. 2 is A-A place sectional structure chart in Fig. 1;
Fig. 3 is B-B place sectional structure chart in Fig. 1.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
The utility model embodiment provides a kind of coarse slime interference bed separator Pre-sorting device (rear abbreviation " Pre-sorting device "), and described Pre-sorting application of installation is in coarse slime interference bed separator (rear abbreviation " separator ").With reference to figure 1, it is the coarse slime interference bed separator Pre-sorting apparatus structure schematic diagram of the utility model embodiment.
Described separator 1 main part is cylindrical, and top is provided with overflow launder 2, for guiding the cleaned coal after sorting, and is exported by cleaned coal by coupled cleaned coal discharging opening 3.Separator 1 bottom is provided with tail coal discharging opening 4, for exporting the tail coal after sorting.Separator 1 bottom is provided with fluid distributor 5, generates the ascending current being used for separation of coarse slime.
The Pre-sorting device of the present embodiment comprises eddy flow and enters charging basket 6 and four sorting grooves 7.Eddy flow enters the central upper portion position that charging basket 6 is arranged on separator 1, and its top is fixed to separator 1 top, and bottom is connected with one end of four sorting grooves 7.With reference to figure 3, be A-A place sectional structure chart in Fig. 1, it illustrates the setting position of four sorting grooves 7 in the present embodiment.Visible, four sorting grooves 7 are arranged in a radial section of separator 1, and are uniformly distributed.For each sorting groove 7, its radial direction along separator 1 is arranged, and the bottom that one end and eddy flow enter charging basket 6 is fixed and is communicated with, and the other end is fixed to the sidewall of separator 1.The base plate of sorting groove 7 is provided with multiple perforate, is porous plate.In other embodiments, according to concrete use needs, the cross sectional shape of sorting groove 7 can be rectangle or semicircle, and the quantity of sorting groove 7 also can more than four.
In the present embodiment, the sidewall that eddy flow enters charging basket 6 is tangentially connected with a feeding pipe 8, with reference to figure 2, for A-A place sectional structure chart in Fig. 1, it illustrates the set-up mode of feeding pipe 8, treat that the coarse slime of sorting enters eddy flow by feeding pipe 8 and enters charging basket 6, because feeding pipe 8 and eddy flow enter the tangential connected mode of charging basket 6, enable coarse slime form eddy flow.Accordingly, eddy flow enters charging basket 6 and is positioned at feeding pipe 8 the sidewall of upper part to be provided with multiple discharge opening 9 (see Fig. 1).
During work, treat that the coarse slime of sorting tangentially enters eddy flow through feeding pipe 8 and enters in charging basket 6, form eddy flow centrifugal force field, light grains cleaned coal is floated, and compared with gravitational field, eddy flow centrifugal force field energy increases substantially separating effect, discharge section cleaned coal in advance, particularly coarse granule cleaned coal.After light grains cleaned coal floats, the multiple discharge openings 9 being entered charging basket 6 top by eddy flow are discharged, the floating cleaned coal entered outside charging basket 6 with eddy flow mixes (this floating cleaned coal is gone out by the ascending current sorting of separator 1), exports after the overflow launder 2 of separator 1 from cleaned coal discharging opening 3.The coarse slime underflow that eddy flow enters in charging basket 6 sinks to entering in sorting groove 7, concentrated phase bed is formed under the effect of ascending current, overflow in sorting groove 7 mixes with the floating cleaned coal outside sorting groove 2 (this floating cleaned coal is gone out by the ascending current sorting of separator 1), exports after the overflow launder 2 of separator 1 from cleaned coal discharging opening 3.The turbulence level of coarse slime underflow is higher, and sorting groove 7 effectively can reduce the turbulence level of coarse slime underflow, thus reduces the disturbance to separator 1 bed, and the coarse granule mispairing that simultaneously density can be suppressed little is in tail coal.The hole of underflow on base plate of sorting groove 7 enters in separator 1, and further sorting in the ascending current of separator 1, the tail coal after sorting exports through tail coal discharging opening 4.Through said process, the Pre-sorting device of the present embodiment first carries out two sections of Pre-sortings to coarse slime, provides advantage for remaining coarse slime carries out Density Separation in separator.
As preferably, corresponding to the 1.5-0.25mm separation of coarse slime of the utility model embodiment application, the opening diameter on sorting groove 7 base plate is 5-15mm, and percent opening is 30%-40%.The diameter that eddy flow enters the discharge opening on charging basket 6 is 10-20mm.
In certain embodiments, the top that eddy flow enters charging basket 6 is fixedly connected with separator 1 top by I-steel 10, further ensures bonding strength; Be eddy flow because eddy flow enters charging basket 6 operationally inner, disturbance is comparatively large, is fixed, make its duty more stable by I-steel 10.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a coarse slime interference bed separator Pre-sorting device, is characterized in that, comprises eddy flow and enters charging basket and at least four sorting grooves; Described eddy flow enters the central upper portion position that charging basket is arranged on described coarse slime interference bed separator, and top is fixed to described coarse slime interference bed separator top, and bottom is connected with one end of each described sorting groove; Described sorting groove is uniformly distributed in the radial section of described coarse slime interference bed separator; Each described sorting groove is all arranged along the radial direction of described coarse slime interference bed separator, and the other end is fixed to described coarse slime interference bed separator sidewall, and base plate is porous plate; The sidewall that described eddy flow enters charging basket is also tangentially connected with a feeding pipe; Described eddy flow enters charging basket and is positioned at described feeding pipe so that the sidewall of upper part to be provided with multiple discharge opening.
2. coarse slime interference bed separator Pre-sorting device according to claim 1, is characterized in that, the diameter of described discharge opening is 10-20mm.
3. coarse slime interference bed separator Pre-sorting device according to claim 1, is characterized in that, the base plate opening diameter of described sorting groove is 5-15mm, and percent opening is 30%-40%.
4. coarse slime interference bed separator Pre-sorting device according to claim 1, is characterized in that, the cross sectional shape of described sorting groove is rectangle or semicircle.
5. coarse slime interference bed separator Pre-sorting device according to claim 1, is characterized in that, described eddy flow is entered charging basket top and is fixedly connected with described coarse slime interference bed separator top by I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766477.6U CN204320458U (en) | 2014-12-08 | 2014-12-08 | A kind of coarse slime interference bed separator Pre-sorting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766477.6U CN204320458U (en) | 2014-12-08 | 2014-12-08 | A kind of coarse slime interference bed separator Pre-sorting device |
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| Publication Number | Publication Date |
|---|---|
| CN204320458U true CN204320458U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420766477.6U Expired - Fee Related CN204320458U (en) | 2014-12-08 | 2014-12-08 | A kind of coarse slime interference bed separator Pre-sorting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435950A (en) * | 2015-12-16 | 2016-03-30 | 中煤科工集团唐山研究院有限公司 | Mineral sorting machine |
-
2014
- 2014-12-08 CN CN201420766477.6U patent/CN204320458U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435950A (en) * | 2015-12-16 | 2016-03-30 | 中煤科工集团唐山研究院有限公司 | Mineral sorting machine |
| CN105435950B (en) * | 2015-12-16 | 2017-10-31 | 中煤科工集团唐山研究院有限公司 | A kind of ore separator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151208 |
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| EXPY | Termination of patent right or utility model |